Question: Were Eva Braun's siblings Gretl and Ilse Braun?
Paraphrase: Were Greti and Ilse Braun siblings of Eva Braun?
SPARQL (Wikidata): ASK WHERE { wd:Q76433 wdt:P3373 wd:Q1165052 . wd:Q76433 wdt:P3373 wd:Q6001165 }